source of altera official development board DE2 for SD card , there are detailed FAT32 file format and read-write to SD on the nios platform

DE2_115_SD_CARD\.metadata\.lock
...............\.........\.log
...............\.........\.mylyn\repositories.xml.zip
...............\.........\.plugins\org.eclipse.cdt.core\.log
...............\.........\........\.............ore.resources\.root\.indexes\history.version
...............\.........\........\..........................\.....\........\properties.version
...............\.........\........\..........................\.....\1.tree
...............\.........\........\..........................\.safetable\org.eclipse.core.resources
...............\.........\........\..................untime\.settings\org.eclipse.cdt.ui.prefs
...............\.........\........\........................\.........\org.eclipse.core.resources.prefs
...............\.........\........\........................\.........\org.eclipse.epp.usagedata.recording.prefs
...............\.........\........\........................\.........\org.eclipse.mylyn.context.core.prefs
...............\.........\........\........................\.........\org.eclipse.team.cvs.ui.prefs
...............\.........\........\........................\.........\org.eclipse.team.ui.prefs
...............\.........\........\........................\.........\org.eclipse.ui.ide.prefs
...............\.........\........\........................\.........\org.eclipse.ui.prefs
...............\.........\........\........................\.........\org.eclipse.ui.workbench.prefs
...............\.........\........\............epp.usagedata.recording\upload0.csv
...............\.........\........\...................................\upload1.csv
...............\.........\........\...................................\upload2.csv
...............\.........\........\...................................\upload3.csv
...............\.........\........\...................................\upload4.csv
...............\.........\........\...................................\usagedata.csv
...............\.........\........\............ui.ide\dialog_settings.xml
...............\.........\........\...............workbench\dialog_settings.xml
...............\.........\........\........................\workbench.xml
...............\.........\........\........................\workingsets.xml
...............\.........\version.ini
...............\.sopc_builder\filters.xml
...............\.............\install.ptf
...............\.............\install2.ptf
...............\.............\preferences.xml
...............\altpll.v
...............\audio.v
...............\clock_crossing_io.v
...............\cpu.ocp
...............\cpu.sdc
...............\cpu.v
...............\cpu_bht_ram.mif
...............\cpu_dc_tag_ram.mif
...............\cpu_ic_tag_ram.mif
...............\cpu_jtag_debug_module_sysclk.v
...............\cpu_jtag_debug_module_tck.v
...............\cpu_jtag_debug_module_wrapper.v
...............\cpu_mult_cell.v
...............\cpu_ociram_default_contents.mif
...............\cpu_oci_test_bench.v
...............\cpu_rf_ram_a.mif
...............\cpu_rf_ram_b.mif
...............\cpu_test_bench.v
...............\DE2_115_SD_CARD.pin
...............\DE2_115_SD_CARD.pof
...............\DE2_115_SD_CARD.qpf
...............\DE2_115_SD_CARD.qsf
...............\DE2_115_SD_CARD.sdc
...............\DE2_115_SD_CARD.sof
...............\de2_115_sd_card.v
...............\DE2_115_SD_CARD_assignment_defaults.qdf
...............\DE2_115_SOPC.bsf
...............\DE2_115_SOPC.html
...............\DE2_115_SOPC.ptf
...............\DE2_115_SOPC.ptf.8.0
...............\DE2_115_SOPC.ptf.pre_generation_ptf
...............\DE2_115_SOPC.qip
...............\DE2_115_SOPC.sopc
...............\DE2_115_SOPC.sopcinfo
...............\DE2_115_SOPC.v
...............\DE2_115_SOPC_clock_0.v
...............\DE2_115_SOPC_clock_1.v
...............\DE2_115_SOPC_clock_10.v
...............\DE2_115_SOPC_clock_11.v
...............\DE2_115_SOPC_clock_12.v
...............\DE2_115_SOPC_clock_13.v
...............\DE2_115_SOPC_clock_14.v
...............\DE2_115_SOPC_clock_15.v
...............\DE2_115_SOPC_clock_16.v
...............\DE2_115_SOPC_clock_17.

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